| Records |
| Author |
Brazas, M.L.; Shimizu, T. |
| Title |
Significance of visual cues in choice behavior in the female zebra finch (Taeniopygia guttata castanotis) |
Type |
Journal Article |
| Year |
2002 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
5 |
Issue |
2 |
Pages |
91-95 |
Keywords  |
Animals; Auditory Perception; Female; Male; *Sexual Behavior, Animal; Social Behavior; *Songbirds; *Visual Perception; Vocalization, Animal |
| Abstract |
Female zebra finches show a preference for male zebra finches over heterospecific males based solely on the auditory cues of males, such as songs. The present study was designed to investigate whether females show a similar preference for male zebra finches based solely on visual cues. Using a Y-maze apparatus, social preference of female zebra finches was studied between male zebra finches and male Bengalese finches in three experiments. In experiment 1, where female zebra finches could see and hear live male zebra finches and male Bengalese finches, the females preferred to associate with the male zebra finches. In experiment 2, using a sound-attenuated experimental apparatus, subjects could see, but not hear, male zebra finches and male Bengalese finches. The subjects did not show a significant preference for associating with zebra finches. In experiment 3, as in experiment 2, females could see live male zebra finches and male Bengalese finches in the sound-attenuated chambers. However, in experiment 3, the subjects also heard prerecorded auditory cues (i.e., songs and calls) of male zebra finches, which were presented simultaneously in both arms of the maze. Although the females could not use the auditory cues to identify the location of the male zebra finches, they preferred to associate with the male zebra finches rather than the male Bengalese finches. These results suggest that visual cues alone were effective in initiating choice behaviors by females and that auditory cues facilitate such visually based choice behaviors. |
| Address |
Department of Psychology, University of South Florida, PCD4118G, 4202 East Fowler Avenue, Tampa, FL 33620, USA |
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English |
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1435-9448 |
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| Notes |
PMID:12150041 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2603 |
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| Author |
Friederici, A.D.; Alter, K. |
| Title |
Lateralization of auditory language functions: a dynamic dual pathway model |
Type |
Journal Article |
| Year |
2004 |
Publication |
Brain and Language |
Abbreviated Journal |
Brain Lang |
| Volume |
89 |
Issue |
2 |
Pages |
267-276 |
| Keywords |
Auditory Pathways/physiology; Brain Mapping; Comprehension/*physiology; Dominance, Cerebral/*physiology; Frontal Lobe/*physiology; Humans; Nerve Net/physiology; Phonetics; Semantics; Speech Acoustics; Speech Perception/*physiology; Temporal Lobe/*physiology |
| Abstract |
Spoken language comprehension requires the coordination of different subprocesses in time. After the initial acoustic analysis the system has to extract segmental information such as phonemes, syntactic elements and lexical-semantic elements as well as suprasegmental information such as accentuation and intonational phrases, i.e., prosody. According to the dynamic dual pathway model of auditory language comprehension syntactic and semantic information are primarily processed in a left hemispheric temporo-frontal pathway including separate circuits for syntactic and semantic information whereas sentence level prosody is processed in a right hemispheric temporo-frontal pathway. The relative lateralization of these functions occurs as a result of stimulus properties and processing demands. The observed interaction between syntactic and prosodic information during auditory sentence comprehension is attributed to dynamic interactions between the two hemispheres. |
| Address |
Max Planck Institute of Cognitive Neuroscience, P.O. Box 500 355, 04303 Leipzig, Germany. angelafr@cns.mpg.de |
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English |
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0093-934X |
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| Notes |
PMID:15068909 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4722 |
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| Author |
Lemasson, A.; Koda, H.; Kato, A.; Oyakawa, C.; Blois-Heulin, C.; Masataka, N. |
| Title |
Influence of sound specificity and familiarity on Japanese macaques' (Macaca fuscata) auditory laterality |
Type |
Journal Article |
| Year |
2010 |
Publication |
Behavioural Brain Research |
Abbreviated Journal |
Behav. Brain. Res. |
| Volume |
208 |
Issue |
1 |
Pages |
286-289 |
| Keywords |
Auditory processing; Hemispheric specialisation; Specificity; Familiarity; Head-turn paradigm; Macaque |
| Abstract |
Despite attempts to generalise the left hemisphere-speech association of humans to animal communication, the debate remains open. More studies on primates are needed to explore the potential effects of sound specificity and familiarity. Familiar and non-familiar nonhuman primate contact calls, bird calls and non-biological sounds were broadcast to Japanese macaques. Macaques turned their heads preferentially towards the left (right hemisphere) when hearing conspecific or familiar primates supporting hemispheric specialisation. Our results support the role of experience in brain organisation and the importance of social factors to understand laterality evolution. |
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0166-4328 |
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no |
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Equine Behaviour @ team @ |
Serial |
5081 |
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| Author |
Heffner, R.S.; Heffner, H.E. |
| Title |
Hearing in large mammals: Horses (Equus caballus) and cattle (Bos taurus) |
Type |
Journal Article |
| Year |
1983 |
Publication |
Behavioral Neuroscience |
Abbreviated Journal |
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| Volume |
97 |
Issue |
2 |
Pages |
299-309 |
| Keywords |
auditory range & sensitivity, horses vs cattle |
| Abstract |
Determined behavioral audiograms for 3 horses and 2 cows. Horses' hearing ranged from 55 Hz to 33.3 kHz, with a region of best sensitivity from 1 to 16 kHz. Cattle hearing ranged from 23 Hz to 35 kHz, with a well-defined point of best sensitivity at 8 kHz. Of the 2 species, cattle proved to have more acute hearing, with a lowest threshold of –21 db (re 20 μN/m–2) compared with the horses' lowest threshold of 7 db. Comparative analysis of the hearing abilities of these 2 species with those of other mammals provides further support for the relation between interaural distance and high-frequency hearing and between high- and low-frequency hearing. (39 ref) (PsycINFO Database Record (c) 2012 APA, all rights reserved) |
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American Psychological Association |
Place of Publication |
Us |
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1939-0084(Electronic);0735-7044(Print) |
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no |
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Equine Behaviour @ team @ 1983-29540-001 |
Serial |
5633 |
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| Author |
Krishnan, A.; Gandour, J.T.; Ananthakrishnan, S.; Bidelman, G.M.; Smalt, C.J. |
| Title |
Functional ear (a)symmetry in brainstem neural activity relevant to encoding of voice pitch: A precursor for hemispheric specialization? |
Type |
Journal Article |
| Year |
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Publication |
Brain and Language |
Abbreviated Journal |
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| Volume |
In Press, Corrected Proof |
Issue |
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Pages |
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| Keywords |
Auditory; Human; Brainstem; Pitch; Language; Mandarin Chinese; Fundamental frequency-following response (FFR); Functional ear asymmetry; Experience-dependent plasticity; Subcortical |
| Abstract |
Pitch processing is lateralized to the right hemisphere; linguistic pitch is further mediated by left cortical areas. This experiment investigates whether ear asymmetries vary in brainstem representation of pitch depending on linguistic status. Brainstem frequency-following responses (FFRs) were elicited by monaural stimulation of the left and right ear of 15 native speakers of Mandarin Chinese using two synthetic speech stimuli that differ in linguistic status of tone. One represented a native lexical tone (Tone 2: T2); the other, T2', a nonnative variant in which the pitch contour was a mirror image of T2 with the same starting and ending frequencies. Two 40-ms portions of f0 contours were selected in order to compare two regions (R1, early; R2 late) differing in pitch acceleration rate and perceptual saliency. In R2, linguistic status effects revealed that T2 exhibited a larger degree of FFR rightward ear asymmetry as reflected in f0 amplitude relative to T2'. Relative to midline (ear asymmetry = 0), the only ear asymmetry reaching significance was that favoring left ear stimulation elicited by T2'. By left- and right-ear stimulation separately, FFRs elicited by T2 were larger than T2' in the right ear only. Within T2', FFRs elicited by the earlier region were larger than the later in both ears. Within T2, no significant differences in FFRS were observed between regions in either ear. Collectively, these findings support the idea that origins of cortical processing preferences for perceptually-salient portions of pitch are rooted in early, preattentive stages of processing in the brainstem. |
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0093-934x |
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no |
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Equine Behaviour @ team @ |
Serial |
5391 |
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| Author |
Lampe, J.F.; Andre, J. |
| Title |
Cross-modal recognition of human individuals in domestic horses (Equus caballus) |
Type |
Journal Article |
| Year |
2012 |
Publication |
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Abbreviated Journal |
Animal Cognition |
| Volume |
15 |
Issue |
4 |
Pages |
623-630 |
| Keywords |
Cross-modal; Recognition of humans; Horse; Equus caballus; Human–horse interaction; Animal cognition; Visual recognition; Auditory recognition; Voice discrimination; Interspecific |
| Abstract |
This study has shown that domestic horses are capable of cross-modal recognition of familiar humans. It was demonstrated that horses are able to discriminate between the voices of a familiar and an unfamiliar human without seeing or smelling them at the same moment. Conversely, they were able to discriminate the same persons when only exposed to their visual and olfactory cues, without being stimulated by their voices. A cross-modal expectancy violation setup was employed; subjects were exposed both to trials with incongruent auditory and visual/olfactory identity cues and trials with congruent cues. It was found that subjects responded more quickly, longer and more often in incongruent trials, exhibiting heightened interest in unmatched cues of identity. This suggests that the equine brain is able to integrate multisensory identity cues from a familiar human into a person representation that allows the brain, when deprived of one or two senses, to maintain recognition of this person. |
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Springer-Verlag |
Place of Publication |
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English |
Summary Language |
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1435-9448 |
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no |
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Equine Behaviour @ team @ |
Serial |
5698 |
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| Author |
Carter, C.; Greening, L. |
| Title |
Auditory stimulation of the stabled equine; the effect of different music genres on behaviour |
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Manuscript |
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Publication |
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Abbreviated Journal |
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equine, behaviour, music, environmental enrichment, auditory |
| Abstract |
Having a radio playing during the daytime at some equine establishments is common practice, but few studies have investigated whether particular music genres could be enriching for stabled horses or whether they may be perceived as aversive. This study aimed to establish whether behavioural responses differed when exposed to musical genres (Classical, Country, Jazz and Rock) and when compared to a control (no music). Eight Thoroughbred geldings (age range 8-10 years, average 8.9 years) were exposed to four musical environments and the control environment (no music) and observed in their usual stable, using instantaneous focal sampling every thirty seconds according to a pre-determined ethogram. Each horse was exposed to each genre for an hour in total, at a time when there was no human traffic or interference on the yard. All horses had been stabled for three hours before the study began. The association between genres and behavioural frequencies recorded for each environment was tested using Fisher’s Exact test of association (P<0.01), IBM SPSS21. No statistically significant associations (P=1.0) were recorded between alert or relax behaviours in Country, Classical, and Control environments. Significant associations (P<0.001) between frequency of alert behaviours and Jazz and Rock environments were noted. The latter genres appeared the most aversive which may be due to fast tempo and minor key, especially in the Jazz piece used. Country and Classical genres were slow tempo with a major key and appeared to result in more restful behaviours than Jazz or Rock. Further research is needed to; assess whether music could be used as an enriching tool, and investigate equine emotional capabilities to understand the emotional effects of music. Future studies could also consider how music impacts upon the behaviour of the human handler and whether this influences equine behaviour. |
| Address |
aCentre for Performance in Equestrian Sports, UWE Hartpury, Hartpury College, Gloucester, GL19 |
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no |
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Equine Behaviour @ team @ |
Serial |
5745 |
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